ES1946 ESS Technology, Inc., ES1946 Datasheet - Page 2

• Manufacturer Part Number: ES1946
• Manufacturer: ESS Technology, Inc.

BLOCK DIAGRAM
Figure 1 shows the ES1946 block diagram.
PINOUT
Figure 2 shows the ES1946 pinout diagram.
2
SAM0217-030601
DEVSELB
FRAMEB
CBE3B
TRDYB
STOPB
LOCKB
CBE2B
CBE1B
IRDYB
IDSEL
VDDD
GNDD
GNDD
AD24
AD23
AD22
AD21
AD20
AD19
AD18
AD17
AD16
AD15
AD14
PAR
MONO_IN
PCSPKO
AUXA_R
AUXB_R
AUXA_L
AUXB_L
PCSPKI
LINE_R
LINE_L
CAP3D
GNDA
VDDA
PCPCIREQB
PCPCIGNTB
CMR
MIC
CLKRUNB
CBE[3:0]B
DEVSELB
76
100
FRAMEB
AD[31:0]
75
TRDYB
STOPB
LOCKB
PRSTB
IRDYB
INTAB
IDSEL
REQB
1
GNTB
PCLK
SIRQ
PAR
RECORDING
AND INPUT
3D PROCESSOR*
CONTROL
SOURCE
VOLUME
VOLUME CTRL
PC SPEAKER
Figure 2 ES1946 Pinout Diagram
Figure 1 ES1946 Block Diagram.
REF GEN
DATA BUFFER WITH
100-Pin LQFP
ROM
AND
RAM
256 BYTE FIFO
INTERFACE
PCI BUS
ES1946S
MICROCONTROLLER
PROGRAMMABLE
ANALOG SUBSYSTEMS
STEREO
MIXER
CONFIGURATION
MPU-401 SERIAL
PORT AND FIFOs
ESFM FM MUSIC
SERIAL PORT
GENERATOR
AND MUTE CONTROL
SYNTHESIZER
VIDEO PORT
AND TIMER
SID AND SVID
WAVETABLE
RECORD MONITOR
GAME PORT
HARDWARE
OUTPUT VOLUME
I2S ZOOM
CONTROL
CLOCK
GAME DAC/ADC
VOLUME
16-BIT STEREO
16-BIT STEREO
16-BIT STEREO
SYSTEM DAC
DUAL
MUSIC DAC
51
25
50
26
VOLUP / SEDI
SEDO / IISLR
SECLK
SW(A-D)
T(A-D)
MCLK / IISCLK
MSI
MSO
XI
XO
AOUT_L
AOUT_R
MONO_OUT
FOUT_L
FOUT_R
CIN_L
CIN_R
AOUT_L
LINE_R
LINE_L
CIN_R
CIN_L
FOUT_L
FOUT_R
VDDA
CAP3D
GNDA
MIC
CMR
AUXA_R
AUXA_L
AUXB_R
AUXB_L
SWA
SWB
SWC
SWD
TA
TB
TC
TD
MONO_IN
VOLDN / SECS
MSD / IISDATA
* 3D Processor uses
provided by Desper Products, Inc. a subsidiary of
Spatializer Audio Laboratories, Inc.
ES1946 PRODUCT BRIEF
ESS Technology, Inc.
Spatializer VBX 3D technology